<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Homework(position)</title>
    <style>
        body{
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }
        .wrapper{
            position: relative;
            width: 200px;
            height: 230px;
            text-align: center;
            font-weight: bold;
            font-size: 20px;
        }
        .wrapper > img{
            position: absolute;
            top: 40%;
            left: 50%;
            transform: translate(-50%,-50%);
            cursor: pointer;
        }
        .wrapper > em{
            position: absolute;
            bottom: 20px;
            width: 200px;
            height: 30px;
            left: 4px;
            font-size: 18px;
            font-weight: normal;
        }
    </style>
</head>
<body>
    <div class="wrapper">
        谷歌一下，你就知道
        <img src="https://static.easyicon.net/preview/122/1229051.gif" alt="这是一张谷歌图标">
        <em>提醒：<br>请正确科学上网</em>
    </div>
</body>
</html>